Agelenopsis, commonly known as the American grass spiders, is a genus of funnel weavers described by C.G. Giebel in 1869. [1] They weave sheet webs that have a funnel shelter on one edge. The web is not sticky, but these spiders make up for that by running very rapidly.

Jan 4, 2023 · Agelenopsis spp. spiders are "lightning-quick"; often people only get a glance of it before it disappears behind or under something. Some Agelenopsis species may be distinct enough to be identified by typical photos, but for many species in the genus, examination of the genitalia is needed to conclusively ID to species.

Dec 13, 2019 · Agelenopsis, commonly called the American grass spider, is a genus of spiders found throughout the United States. It is one of the fastest running spiders.

Sep 15, 2019 · American grass spiders play a vital role in controlling insect populations, contributing to the ecological balance in their habitats. They exhibit nocturnal behavior, being most active during the night, and they rely on their agility and speed to hunt.

Agelenopsis aperta, also known as the desert grass spider[1] or funnel-web spider, [2] is a species of spider belonging to the family Agelenidae and the genus Agelenopsis. It is found in dry and arid regions across the southern United States and into northwestern Mexico.

Agelenopsis. Identification Numbers. TSN: 871575. Geography. Launch Interactive Map. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people. Footer Menu - Employment. Careers & …

Agelenopsis pennsylvanica, commonly known as the Pennsylvania funnel-web spider or the Pennsylvania grass spider, is a species of spider in the family Agelenidae. The common name comes from the place that it was described, Pennsylvania , and the funnel shape of its web.

These abundant and important predators have eight walking legs, six to eight eyes, and two body regions. The first body segment, called the prosoma, contains the eyes, mouthparts (chelicerae), and legs. The second region is the abdomen, which has spinnerets at its base that produce silk.

Jan 29, 2025 · Grass Spider (Agelenopsis spp.) Detailing the physical features, habits, territorial reach and other identifying qualities of the Grass Spider 

Agelenopsis, commonly known as Grass Spiders, is a genus of spiders in the family Agelenidae. Agelenopsis spiders have been sighted 76 times by contributing members. Based on collected data, the geographic range for Agelenopsis includes 2 countries and …